
Product Name:TORICH GB/T13296 304/316 Seamless Stainless Steel Tubes for Boiler and Heat Exchanger
Standard:GB/T13296
Size Range: OD: 6-159mm WT: 1-14mm Length: 3-12mm or according to customers' actual application and production.
Application:for Boiler and Heat Exchanger
Steel Grade:Tp304/316/317/321/347/904/32750/32760
Technology:Hot rolled,cold drawn,cold rolled
Characteristic:
Good concentricity
Good surface quality
Good OD and ID tolerance
High Precision
Stable quality
Smooth Roughness
1 Permissible deviation of outside diameter and wall thickness
Classification | Nominal size | Allowable deviation | |
W-H | OD | ≤140 | ±1.25%D |
>140 | ±1%D | ||
S | ≤3 | -40%S | |
>3~4 | -35%S | ||
>4~5 | -33%S | ||
>5 | -28%S | ||
W-C | OD | 6~30 | +0.15 -0.20 |
>30~50 | ±0.30 | ||
>50 | ±0.75%D | ||
S | D≤38 | +20%S | |
D>38 | -22%S |
2 Steel grade and chemical composition
Number | Steel grade | Chemical Composition % | ||||||||
C | Si | Mn | P | S | Ni | Cr | Mo | Ti | ||
1 | 0Cr18Ni9 | ≤0.07 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.030 | 8.00~ 1.00 | 17.00~ 19.00 | — | — |
2 | 1Cr18Ni9 | ≤0.15 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.030 | 8.00~ 10.50 | 17.00~ 19.00 | — | — |
3 | 1Cr19Ni9 | 0.04~0.10 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.030 | 8.00~ 12.00 | 18.00~ 20.00 | — | — |
4 | 00Cr19Ni10 | ≤0.030 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.030 | 8.00~ 12.00 | 18.00~ 20.00 | — | — |
5 | 0Cr18Ni10Ti | ≤0.08 | ≤1.00 | ≤3.00 | ≤0.035 | ≤0.030 | 9.00~ 12.00 | 17.00~ 19.00 | — | ≥5C |
6 | 1Cr18Ni11Ti | 0.04~0.10 | ≤0.75 | ≤2.00 | ≤0.030 | ≤0.030 | 9.00~ 13.00 | 18.00~ 20.00 | — | 4Xc~ 0.60 |
7 | 0Cr18Ni11Nb | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.030 | 9.00~ 13.00 | 17.00~ 20.00 | — | — |
8 | 1Cr19Ni11Nb | 0.04~0.10 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.030 | 9.00~ 13.00 | 17.00~ 20.00 | — | — |
9 | 0Cr17Ni12Mo2 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.030 | 11.00~ 14.00 | 18.00~ 20.00 | 2.00~ 3.00 | — |
10 | 1Cr17Ni12Mo2 | 0.04~0.10 | ≤0.75 | ≤2.00 | ≤0.030 | ≤0.030 | 11.0~ 14.00 | 16.00~ 20.00 | 2.00~ 3.00 | — |
3 Recommended heat-treatment system and mechanical property
Number | Steel Grade | Recommended heat-treatment system | Mechanical property | |||
Tensile Strength Rm MPa | Required Tensile Strength of Plastics Rp0.2/ MPa | Elongation A/ % | Density ρ/(kg/cm³) | |||
No less than | ||||||
1 | 0Cr18Ni9 | 1010℃~1150℃ | 520 | 205 | 35 | 7.93 |
2 | 1Cr18Ni9 | 1010℃~1150℃ | 520 | 205 | 35 | 7.90 |
3 | 1Cr19Ni9 | 1010℃~1150℃ | 520 | 205 | 35 | 7.93 |
4 | 00Cr19Ni10 | 1010℃~1150℃ | 480 | 175 | 35 | 7.93 |
5 | 0Cr18Ni10Ti | 920℃ ~1150℃ | 520 | 205 | 35 | 7.95 |
6 | 1Cr18Ni11Ti | Hot rolled≥1095℃ Cold rolled≥1050℃ | 520 | 205 | 35 | 7.93 |
7 | 0Cr18Ni11Nb | 980℃ ~1150℃ | 520 | 205 | 35 | 7.98 |
8 | 1Cr19Ni11Nb | Hot rolled≥1095℃ Cold rolled≥1050℃ | 520 | 205 | 35 | 8.00 |
9 | 0Cr17Ni12Mo2 | 1010℃~1150℃ | 520 | 205 | 35 | 7.98 |
10 | 1Cr17Ni12Mo2 | ≥1040℃ | 520 | 205 | 35 | 7.89 |
Table 4 Hardness
Organization type | Steel grade | Hardness | ||
HBW | HRB | HV | ||
Austenitic | 00Cr18Ni10,0Cr19Ni9N,00Cr17Ni13Mo2,0Cr17Ni12Mo2N | ≤217 | ≤95 | ≤220 |
0Cr18Ni13Si4 | ≤207 | ≤95 | ≤218 | |
Others | ≤187 | 90 | 200 | |
Ferrite | 1Cr17 | ≤183 | — | — |
00Cr27Mo | ≤219 | — | — |
A.1High temperature provides non-proportional extension strength unit MPa N/ ㎜²
Steel grade | Temperature℃ | ||||||||||
100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 550 | 600 | |
1Cr18Ni9 | 171 | 155 | 144 | 136 | 128 | 124 | 119 | 116 | 111 | 106 | — |
1Cr19Ni11Nb | 239 | 227 | 216 | 207 | 200 | 195 | 191 | 190 | 189 | 188 | — |
B.2 100 000 h Durable intensity recommended data unit MPa N/ ㎜²
Steel grade | 100 000 h Durable intensity | ||||||||||
Test temperature/℃ | |||||||||||
600 | 610 | 620 | 630 | 640 | 650 | 660 | 670 | 680 | 690 | 700 | |
1Cr18Ni9 | 95 | 88 | 81 | 74 | 68 | 63 | 57 | 52 | 48 | 43 | 40 |
1Cr19Ni11Nb | 132 | 121 | 110 | 100 | 91 | 82 | 74 | 66 | 60 | 54 | 48 |
TORICH INTERNATIONAL LIMITED
Who We are ?
-------A professional steel pipes materials inventor, manufacturer
and solution provider
Torich International Limited is a professional manufacturer
and exporter of steel pipes materials. It is an international
marketing and sales company specialized in steel tubes, which holds
the factories of Seamless Steel Tubes with Carbon and Alloy Steel
Grade, Welded Precision Steel Tubes,DOM Steel Tubes, Seamless &
Welded Stainless Steel Tubes with Nickel and Alloy Steel Grade.
Our factory was established since 1997, with the name of Haiyan
Sanxin Steel Pipe Co., Ltd. The factories’ technicians are of great
engineering experience in steel pipe industry for more than 20
years, which are in great command of production technology for Cold
Drawing and Cold Rolling. So we have strong technician team and
manufacturing capability.
What products we do?
------- Invent and produce various Precision Steel Pipes
Our steel pipes cover the following ranges:
Seamless Precision Steel Pipes
Bearing Steel Tubes
Welded Precision Steel Pipes, with DOM production
Seamless Heat Exchanger Steel Pipe
Seamless Boiler Steel Pipes
Honed Tubes
Hydraulic Cylinder Steel Tubes
Hydraulic Telescopic Cylinder Tubes
Seamless Structural Steel Pipes
Seamless Mechanical Steel Pipes
Seamless Alloy Steel Tubes & Pipes
Seamless Stainless Steel tubes
Welded Stainless Steel Tubes
Seamless Stainless Steel Tubes & Pipes
Welded Stainless Steel Tubes & Pipes
Seamless Carbon Steel Tubes & Pipes
Nickel Alloy Steel Tubes & Pipes
What TORICH do:
1. Producing Steel Tubes
2. Selling both on Domestic and International Market
3. Precisely Targeting Customers’ Requirement- Sourcing the right
factory for right products for Customers
Products Application:
Oil Cylinders
Air Cylinder,
Automotive Cylinder Liners
Boilers, Pressure Vessels
Shell & Heat Exchangers
Jack Lifting
Telescopic Systems
Pneumatic Cylinders
Agricultural Machineries
Size range is:
O.D. 4-350mm,
W.T. 0.5-30mm,
Length: according to customer’s requirement and agreement
Steel Grade:
Carbon Steel Grade:
ST35.8, ST37.0, ST44, ST52;
E155, E195, E215, E235, E275, E355;
195GH, P235GH, P265GH, P195TR1, P195TR2, P235TR1, P235TR2, P265TR1,
P265TR2;
SAE1010, SAE1020, SAE1026, SAE1035, SAE1045;
Carbon steel tube: SA178, A179, A192, A210, SA213, SA214, etc.
Alloy Steel Grade:
T2, T5, T9, T11, T12, T17, T21, T22, T91,T92, 15Mo3,16Mo3,
13CrMo44;
SAE4130, SAE4140, 40Cr, 40Cr4, 10CrMo910, 12CrMo910, 11CrMo910,
25CrMo4, 35CrMo, 35CrMo4, 42CrMo4, 34CrMo4, 20MnV, 20MnV6,20CrMn;
Carbon steel tube: A179,A192,A210,DIN17175,etc.
Bearing Steel Grades:
GCr15 52100 suj2 suj3 100Cr6 SKF3S SKF3S 20CrNiMo 8620H 4118H;
Nickel Alloy Grade:
N02200/2201, N04400, N06600, N06601, N06625, N06852, N06219,
N06690, N08800/8810/8811, N08825, N08028, N08535, N08904, N08925,
N08926, N010276, N06022, etc.
Austenitic/Super Austenitic Stainless Steel Grade:
304/304L, 316/316L, 314, 321, 347H, 316Ti, 316LMod, 317L/N, 310S,
253MA, 330, 904L, S31254, XM-19, etc.
Ferrite/Martensite Stainless Steel Grade:
TP410, TP405, TP420, TP430, TP430Ti, TP403, TP409, TP444, TP439,
TP446, etc.
Duplex/Super Duplex Stainless Steel Grade:
S31803, S32304, S31500, S32550, S32750, S32760, etc.
Corporate Culture:
We focus on Quality First, Quality Traceability, and Quality
Stability!
We focus on Customer First, People First, and Quality-Oriented!
Success:
First factory started in 1997, in the name of Torich , now covers
50000 square meters of factory building, with more than
100employees, and over 45 million RBM assets.
In 2008, we started the company of Torich International
Limited for international business and marketing.
Welcome partners from all over the world for long term cooperation!